New Thoughts on Historic City Walls in Tanzania

Published: 25/08/2017
New Thoughts on Historic City Walls in Tanzania
Source: WWW.ARCHAEOLOGY.ORG

YORK, ENGLAND—According to a report in the International Business Times , Carol Lang of the University of York and her colleagues say the walls at Tanzania’s abandoned city of Engaruka served as part of an irrigation system. Founded some 700 years ago, Engaruka was home to an estimated 40,000 people. It had been thought that the city’s ten-foot-tall walls had been intended to control soil erosion,

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